CVE-2022-43505 is a firmware vulnerability affecting the BIOS firmware of some Intel processors. The issue is described as insufficient control flow management in BIOS firmware, which indicates improper enforcement or validation of intended execution paths within privileged firmware code. Under the documented conditions, a privileged local user can trigger the flaw and cause the platform to enter a denial-of-service condition. The vulnerability has been referenced across multiple downstream vendor advisories for systems incorporating affected Intel firmware components, including BIOS updates issued by OEMs and platform vendors.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.